How a French Creator Turned High School Math Failures Into Million-Subscriber Success
The French digital entertainment scene has produced some genuinely funny creators, but few have managed to build the kind of loyal following that Théo Becker has cultivated under his stage name Mastu. With over 6.4 million YouTube subscribers and 3.1 million Instagram followers, this 27-year-old from Reims has become one of France's most recognizable online personalities. What started as a quirky hobby has evolved into a multimedia empire spanning YouTube, Twitch, Instagram, and even music.
Mastu's journey began in 2015 with a rather unconventional pseudonym - Masturbatman, a cheeky combination of Batman and, well, you can figure out the rest. His first upload, titled "MA NOUVELLE CAMÉRA" (My New Camera), was humble enough, but it didn't take long for his irreverent humor to catch on. The breakthrough came with a viral video about getting his high school diploma despite scoring just 2 out of 20 in mathematics - a relatable disaster that resonated with students across France. By 2017, he'd shortened his name to simply Mastu to avoid YouTube's demonetization policies, a smart business move that showed he was thinking beyond just the laughs.
What sets Mastu apart isn't just his willingness to poke fun at life's absurdities, but his ability to turn mundane situations into genuinely entertaining content. His videos blend personal storytelling with sketch comedy, creating a format that feels both intimate and polished. One of his most successful ventures into music, the song "Depressed," racked up over 11 million views, proving his appeal extends beyond traditional YouTube content. His cat Pumpkin has become something of a social media star in its own right, frequently appearing throughout his posts and adding a personal touch that fans love.
The creator's career took an interesting turn when he joined the RedBox collective, a group of YouTubers organized by fellow creator Amixem. There, he formed a close friendship with Joyce, another content creator, and their collaborations became some of the most-watched content on both their channels. In 2020, the duo made a bold move by leaving RedBox to establish their own creative space called L.O.A.T. (Local Of All Time). Their joint projects, including "Clash Assassins" created in partnership with Ubisoft for Assassin's Creed Valhalla, have consistently pulled in millions of views and even charted on France's SNEP singles chart.
These days, Mastu maintains an active presence across multiple platforms, with over 5 million followers combined on YouTube, Instagram, X, and Twitch. His Twitch streams regularly draw impressive numbers - recent data shows he's been averaging over 26,000 viewers with peaks reaching more than 84,000. While he typically streams on Mondays from noon until late evening, his schedule varies based on content creation demands. With an estimated net worth between $1-5 million, Mastu has successfully transformed his knack for comedy into a sustainable career, proving that authentic humor still has tremendous value in the crowded world of online content creation.